So I rescued this poor moss ball from rotting away in a pet store. It has become Victor's favorite plant, he likes it even more than his Java Fern! But the poor Marimo has big brown spots on it, so I'm not sure what to do. I've placed the biggest brown spot upwards, hoping that would encourage growth. Would it be best to try to let the moss ball heal, or would it be better just to pick it apart? I would hate to tear it up and ruin it's roundness though

I decided to tear it into smaller pieces and roll it into a bunch of mini-balls! I'm crossing my fingers and hoping they grow this way... But I think I'll still buy another big one, my betta misses it, he was sleeping under it and everything!